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2nd Floor, No. 21 Heping Industrial Park, Heping Road, Yucui Community, Longhua Street, Longhua District, Shenzhen City
Shenzhen Wanruian Technology Co., Ltd
2nd Floor, No. 21 Heping Industrial Park, Heping Road, Yucui Community, Longhua Street, Longhua District, Shenzhen City




Product Name:Fixed oxygen alarm
Model: DS800-O2
Fixed oxygen alarmTechnical parameters of the instrument:
◎ Gas detection: Oxygen
◎ Detection range: 0-30% VOL (for other ranges, please contact our salesperson for confirmation!)! )
◎ Accuracy: ± 3% F.S
◎ Resolution: 0.01% VOL
◎ Repeatability: ≤± 3%
◎ Zero drift: ≤± 3% (F.S/year)
◎ Response time: T90 ≤ 20S
◎ Detection methods: diffusion type, pump suction type, flow type, pipeline type
◎ Display mode: OLED industrial color screen display
◎ Alarm function: LED light alarm, explosion-proof sound and light alarm (optional)
◎ Alarm point: Two level alarm values can be freely set
◎ Adjustment method: Infrared remote control
◎ Power supply: 24VDC (9-30VDC)
◎ Output signal: 4-20mA (three wire system)
RS485 (four wire system, standard MODBUS RTU protocol)
◎ Relay: Passive contact, 220VAC 3A/24VDC 3A
◎ Electrical interface: 3/4'NPT internal thread (1/2 "NPT internal thread)
Transmission cable: ≤ 1000m, 3 (4) x1.5mm2
◎ Shell material: Black coated aluminum alloy/stainless steel (optional)
◎ Working temperature: -40 ℃~+70 ℃
◎ Working humidity: 0-95% RH (no condensation)
◎ Work pressure: ≤ 101Kpa
Explosion proof mark: Exd IIC T6 Gb
Explosion proof rating: IP66
◎ Dimensions: 250x200x100mm (LxWxH)
Weight: 1.5KG